package pers.liyan.shi.springboot.config;

import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.support.http.StatViewServlet;
import com.alibaba.druid.support.http.WebStatFilter;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import javax.sql.DataSource;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;

/**
 * druid连接池配置类
 * @author shily
 * @date 2018/12/17 21:49
 */
@Configuration
public class DruidConfig {

    //自动绑定属性
    @ConfigurationProperties(prefix = "spring.datasource")
    @Bean
    public DataSource druid(){
        return new DruidDataSource();
    }

    //配置监控
    //1. 配置一个管理后台的Servlet
    @Bean
    public ServletRegistrationBean statViewServlet(){
        ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean(new StatViewServlet(), "/druid/*");

        Map<String, String> initParams = new HashMap<>();
        //配置参数
        initParams.put("loginUsername", "admin");
        initParams.put("loginPassword", "123456");
        //默认允许所有人访问
        initParams.put("allow", "");
        initParams.put("deny", "192.168.0.114");

        servletRegistrationBean.setInitParameters(initParams);

        return servletRegistrationBean;

    }

    //2. 配置一个监控的Filter
    @Bean
    public FilterRegistrationBean webStatFilter(){
        FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean();

        filterRegistrationBean.setFilter(new WebStatFilter());

        Map<String, String> initParams = new HashMap<>();
        //配置参数
        //配置拦截排除项
        initParams.put("exclusions", "*.js, *.css, *.html, /druid/*");

        filterRegistrationBean.setInitParameters(initParams);

        filterRegistrationBean.setUrlPatterns(Arrays.asList("/*"));


        return filterRegistrationBean;
    }


}
